cirrusfb: remove unused variables

After commit a1d35a7a (cirrusfb: use modedb and add mode_option
parameter), these variables are no longer used, so remove them to fix
compilation warning.

Signed-off-by: Vlada PeriƦ <vlada.peric@gmail.com>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index 8a87602..a2aa6dd 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -2462,8 +2462,7 @@
 
 #ifndef MODULE
 static int __init cirrusfb_setup(char *options) {
-	char *this_opt, s[32];
-	int i;
+	char *this_opt;
 
 	DPRINTK("ENTER\n");